Four Seasons 59942 High Flow JRA Service Port Valve Core

The Four Seasons 59942 is a high flow JRA service port valve core designed for automotive air conditioning systems. This critical component fits into the service port and switch ports of A/C systems, allowing access for testing, refrigerant removal, and installation procedures.

Key Features:

• High flow JRA design for optimal refrigerant flow during charging, recovery, and evacuation
• Compatible with R134A refrigerant systems
• Used on both high and low side A/C charge ports
• Precision-machined construction for leak-resistant seal and reliable performance
• Universal application fits most domestic and foreign vehicles
• Manufactured by Four Seasons, the largest aftermarket climate control parts supplier

JRA valve cores are among the most commonly used A/C fittings by major OE manufacturers, making this an essential service component for professional technicians and DIY mechanics performing air conditioning system maintenance and repair. The high flow design enables faster service times while maintaining proper system pressure and seal integrity.